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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <sys/types.h>
#include <unistd.h>
#include <fcntl.h>
#include <cstring>
#include <cstdlib>
#include "log.h"
LOG_SETUP(".log");
#include "log-target-fd.h"
#include "internal.h"
namespace ns_log {
LogTargetFd::LogTargetFd(int fd_spec, const char *target)
: LogTarget(target),
_fd(-1), _istty(false)
{
_fd = dup(fd_spec);
if (_fd == -1) {
throwInvalid("Bad target for LogTargetFd: '%s'", target);
}
if (isatty(_fd) == 1) {
_istty = true;
}
fcntl(_fd, F_SETFD, FD_CLOEXEC);
}
LogTargetFd::~LogTargetFd()
{
close(_fd);
}
// When writing to file descriptors, there is really not much to do.
// No log rotation is supported (at least not directly).
int
LogTargetFd::write(const char *buf, int bufLen)
{
return ::write(_fd, buf, bufLen);
}
} // end namespace ns_log
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